Home / 86,972,021.84-130,451,248.20-50,557,185.20

Finding the Fourth Proportional to 86,972,021.84, 130,451,248.20 and 50,557,185.20

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Solution

The fourth proportional to 86,972,021.84, 130,451,248.20 and 50,557,185.20 is: 75,831,833.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972,021.84 : 130,451,248.20 = 50,557,185.20 : x
  2. Step 2: Convert to fraction form
    86,972,021.84/130,451,248.20 = 50,557,185.20/x
  3. Step 3: Cross multiply
    86,972,021.84x = 130,451,248.20 × 50,557,185.20
  4. Step 4: Simplify right side
    86,972,021.84x = 6,595,247,914,818,567
  5. Step 5: Solve for x
    x = 6,595,247,914,818,567/86,972,021.84
  6. Step 6: Final answer
    x = 75,831,833.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.